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Javascript网页特效:闪现的礼花背景

来源:互联网 作者:west263.com 时间:2008-02-23
西部数码-全国虚拟主机10强!40余项虚拟主机管理功能,全国领先!双线多线虚拟主机南北访问畅通无阻!免费赠送企业邮局,.CN域名,自助建站480元起,免费试用7天,满意再付款! P4主机租用799元/月.月付免压金!
很老的效果了,但对于一些生手来说还是很有用处的。

把如下代码加入<body>区域中

<layer name="a0" left=10 top=10 visibility=show bgcolor="#ffffff" clip="0,0,1,1"></layer>
<layer name="a1" left=10 top=10 visibility=show bgcolor="#fff000" clip="0,0,1,1"></layer>
<layer name="a2" left=10 top=10 visibility=show bgcolor="#ffa000" clip="0,0,1,1"></layer>
<layer name="a3" left=10 top=10 visibility=show bgcolor="#ff00ff" clip="0,0,1,1"></layer>
<layer name="a4" left=10 top=10 visibility=show bgcolor="#00ff00" clip="0,0,1,1"></layer>
<layer name="a5" left=10 top=10 visibility=show bgcolor="#ff00ff" clip="0,0,1,1"></layer>
<layer name="a6" left=10 top=10 visibility=show bgcolor="#ff0000" clip="0,0,1,1"></layer>
<layer name="a7" left=10 top=10 visibility=show bgcolor="#ffffff" clip="0,0,1,1"></layer>
<layer name="a8" left=10 top=10 visibility=show bgcolor="#fff000" clip="0,0,1,1"></layer>
<layer name="a9" left=10 top=10 visibility=show bgcolor="#ffa000" clip="0,0,1,1"></layer>
<layer name="a10" left=10 top=10 visibility=show bgcolor="#ff00ff" clip="0,0,1,1"></layer>
<layer name="a11" left=10 top=10 visibility=show bgcolor="#00ff00" clip="0,0,2,2"></layer>
<layer name="a12" left=10 top=10 visibility=show bgcolor="#0000ff" clip="0,0,2,2"></layer>
<layer name="a13" left=10 top=10 visibility=show bgcolor="#ff0000" clip="0,0,2,2"></layer>
<div id="starsDiv" style="position:absolute;top:0px;left:0px">
<div style="position:relative;width:2px;height:2px;background:#ffffff;font-size:2px"></div>
<div style="position:relative;width:1px;height:1px;background:#fff000;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#ffa000;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#ff00ff;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#00ff00;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#0000ff;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#FF0000;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#ffffff;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#fff000;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#ffa000;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#ff00ff;font-size:1px"></div>
<div style="position:relative;width:2px;height:2px;background:#ff00ff;font-size:2px"></div>
<div style="position:relative;width:1px;height:1px;background:#0000ff;font-size:1px"></div>
<div style="position:relative;width:1px;height:1px;background:#FF0000;font-size:1px"></div>
</div>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var Clrs = new Array(9);
Clrs[0] = 'ff0000';
Clrs[1] = '00ff00';
Clrs[2] = '000aff';
Clrs[3] = 'ff00ff';
Clrs[4] = 'ffa500';
Clrs[5] = 'ffff00';
Clrs[6] = '00ff00';
Clrs[7] = 'ffffff';
Clrs[8] = 'fffff0';
var sClrs = new Array(5);
sClrs[0] = 'ffa500';
sClrs[1] = '55ff66';
sClrs[2] = 'AC9DFC';
sClrs[3] = 'fff000';
sClrs[4] = 'fffff0';
var yBase;
var xBase;
var step;
var currStep = 0;
var Xpos = 1;
var Ypos = 1;
var initialStarColor = 'ffa000';
var Mtop = 250;
var Mleft = 250;
function Fireworks() {
if (document.all) {
yBase = window.document.body.offsetHeight / 3;
xBase = window.document.body.offsetWidth / 8;
}
else if (document.layers) {
yBase = window.innerHeight / 3;
xBase = window.innerWidth / 8;
}
if (document.all) {
step = 5;
for ( i = 0 ; i < starsDiv.all.length ; i ) {
for (ai = 0; ai < Clrs.length; ai ) {
var c = Math.round(Math.random()*[ai]);
}
if (currStep < 90)
starsDiv.all[i].style.background=initialStarColor;
if (currStep > 90)
starsDiv.all[i].style.background=Clrs[c];
starsDiv.all[i].style.top = Mtop yBase*Math.sin((currStep i*5)/3)*Math.sin(550 currStep/100)
starsDiv.all[i].style.left = Mleft yBase*Math.cos((currStep i*5)/3)*Math.sin(550 currStep/100)
}
}
else if (document.layers) {
step = 5;
for ( j = 0 ; j < 24 ; j ) { //number of NS layers!
var templayer = "a" j;
for (ai = 0; ai < Clrs.length; ai ) {
var c = Math.round(Math.random()*[ai]);
}
if (currStep < 90)
document.layers[templayer].bgColor=initialStarColor;
if (currStep > 90)
document.layers[templayer].bgColor=Clrs[c];
document.layers[templayer].top = Mtop yBase*Math.sin((currStep j*5)/3)*Math.sin(550 currStep/100)

文章整理:西部数码--专业提供域名注册虚拟主机服务
http://www.west263.com
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